#define  _CRT_SECURE_NO_WARNINGS
#include <stdio.h>
int main()
{
	int n = 0;
	int i = 0;
	int j = 0;
	while (scanf("%d", &n) != EOF)
	{
		for (i=0;i<n;i++)
		{
			for (j = 0; j < n; j++)
			{
				if (i == j || i + j == n - 1)
					printf("*");
				else
					printf(" ");
				
			}
			printf("\n");
		}
	}
	return 0;
}